Alright, let's work through 87534599 times 44080799 step by step
87534599 × 44080799 = 44080799 × (87534599)
+ 44080799 × 9 what gives us 396727191
+ 44080799 × 90 resulting in 3967271910
+ 44080799 × 500 resulting in 22040399500
+ 44080799 × 4000 what gives us 176323196000
+ 44080799 × 30000 what gives us 1322423970000
+ 44080799 × 500000 what gives us 22040399500000
+ 44080799 × 7000000 which equals 308565593000000
+ 44080799 × 80000000 yielding 3526463920000000

= 3858595064064601
